Molten Flux Synthesis of Plutonium (IV) Silicates K2PuSi2O7 and Rb2PuSi6O15
Sign Up to like & getrecommendations! Published in 2024 at "European Journal of Inorganic Chemistry"
DOI: 10.1002/ejic.202400482
Abstract: Few plutonium containing silicates have been reported in the literature and only one other tetravalent plutonium silicate structure has been reported using the flux growth method. With the goal of understanding actinide incorporation into silicates,… read more here.
Keywords: molten flux; flux synthesis; plutonium; rb2pusi6o15 ... See more keywords
Plutonium isotopes can be used to model soil erosion in Kenya
Sign Up to like & getrecommendations! Published in 2024 at "Environmental Geochemistry and Health"
DOI: 10.1007/s10653-024-02084-2
Abstract: Climate change poses an immediate threat to tropical soils with changes in rainfall patterns resulting in accelerated land degradation processes. To ensure the future sustainability of arable land, it is essential to improve our understanding… read more here.
Keywords: soil erosion; land; plutonium; soil ... See more keywords
Investigative studies of alpha irradiated PADC films: application to plutonium sources
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Radioanalytical and Nuclear Chemistry"
DOI: 10.1007/s10967-017-5597-z
Abstract: Analytical evaluation of the effect of alpha fluence and energy on the properties of the irradiated PADC polymers was carried out. The images obtained by alpha irradiation on the films were analyzed using image analysis… read more here.
Keywords: investigative studies; padc films; irradiated padc; studies alpha ... See more keywords
The use of carbon dioxide as the reaction cell gas for the separation of uranium and plutonium in quadrupole inductively coupled plasma mass spectrometry (ICP-MS) for nuclear forensic samples
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Radioanalytical and Nuclear Chemistry"
DOI: 10.1007/s10967-018-5973-3
Abstract: The use of carbon dioxide (CO2) as a reaction cell gas for separation and trace analysis of uranium and plutonium by inductively coupled plasma mass spectrometry was investigated. For the analysis of the resultant UO2+… read more here.
Keywords: gas separation; cell gas; carbon dioxide; reaction cell ... See more keywords
The plutonium chemistry of Pu + O2 system: the theoretical investigation of the plutonium–oxygen interaction
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the Iranian Chemical Society"
DOI: 10.1007/s13738-018-01587-x
Abstract: The minimum energy pathway of the reaction Pu + O2 → PuO + O has been computed with density functional theory using different functionals. The detailed description of the reaction mechanisms offers a deep insight into the reaction. The results indicate… read more here.
Keywords: chemistry system; chemistry; system theoretical; reaction ... See more keywords
Towards proliferation-resistant thorium fuels
Sign Up to like & getrecommendations! Published in 2017 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2016.11.010
Abstract: Abstract Thorium-plutonium mixture is proposed as alternative nuclear reactor fuel to incinerate the increasing stockpile plutonium. However, this fuel will produce an amount of uranium with about 90% 233U at applicable discharge burnups (60GWD/MTU). This… read more here.
Keywords: uranium; towards proliferation; thorium; thorium plutonium ... See more keywords
Reducing the plutonium stockpile around the world using a new design of VVER-1200 assembly
Sign Up to like & getrecommendations! Published in 2018 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2018.05.022
Abstract: Abstract The broad goal of this work is to use the accumulated plutonium around the world in peaceful uses of energy production rather than for military purposes. This work investigates the feasibility of burning the… read more here.
Keywords: seed; assembly; around world; plutonium ... See more keywords
Improvement of plutonium sample property measurement based on fast neutron multiplicity counting
Sign Up to like & getrecommendations! Published in 2021 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2021.108219
Abstract: Abstract Fast neutron multiplicity counting have (FNMC) is a new method of non-destructive analysis for nuclear materials. The new measurement equations of the fourth-order FNMC was established for plutonium samples. Based on the analysis of… read more here.
Keywords: multiplicity counting; plutonium; neutron multiplicity; measurement ... See more keywords
Determination of origin and intended use of plutonium metal using nuclear forensic techniques.
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DOI: 10.1016/j.forsciint.2017.01.014
Abstract: Nuclear forensics techniques, including micro-XRF, gamma spectrometry, trace elemental analysis and isotopic/chronometric characterization were used to interrogate two, potentially related plutonium metal foils. These samples were submitted for analysis with only limited production information, and… read more here.
Keywords: intended use; origin; use plutonium; plutonium metal ... See more keywords
Evidence of plutonium bioavailability in pristine freshwaters of a karst system of the Swiss Jura Mountains
Sign Up to like & getrecommendations! Published in 2017 at "Geochimica et Cosmochimica Acta"
DOI: 10.1016/j.gca.2017.02.030
Abstract: Abstract The interaction of trace environmental plutonium with dissolved natural organic matter (NOM) plays an important role on its mobility and bioavailability in freshwater environments. Here we explore the speciation and biogeochemical behavior of Pu… read more here.
Keywords: system swiss; freshwaters karst; swiss jura; karst system ... See more keywords
Development of small-scale plutonium electrorefining in molten CaCl2
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Nuclear Materials"
DOI: 10.1016/j.jnucmat.2021.152968
Abstract: Abstract Molten salt extraction and electrorefining of plutonium were successfully conducted with only a 200-g initial charge. Due to this small scale, the electrorefining cell components were redesigned relative to conventional, multi-kg standards. The efficiency… read more here.
Keywords: plutonium electrorefining; small scale; development small; scale plutonium ... See more keywords